CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	May 02, 2014	May 03, 2013	May 02, 2014	May 03, 2013
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) [Abstract]
Total revenue	$ 643,298	$ 640,407	$ 1,990,930	$ 1,970,529
Cost of goods sold	201,507	201,982	650,451	644,027
Gross profit	441,791	438,425	1,340,479	1,326,502
Labor and other related expenses	242,977	241,864	718,466	719,474
Other store operating expenses	121,060	116,408	374,501	354,859
Store operating income	77,754	80,153	247,512	252,169
General and administrative expenses	32,541	35,981	99,356	105,492
Operating income	45,213	44,172	148,156	146,677
Interest expense	4,327	10,194	13,205	31,199
Income before income taxes	40,886	33,978	134,951	115,478
Provision for income taxes	12,158	9,376	42,008	32,516
Net income	$ 28,728	$ 24,602	$ 92,943	$ 82,962
Net income per share:
Basic (in dollars per share)	$ 1.21	$ 1.04	$ 3.90	$ 3.50
Diluted (in dollars per share)	$ 1.20	$ 1.02	$ 3.88	$ 3.47
Weighted average shares:
Basic (in shares)	23,820,309	23,760,589	23,816,841	23,683,133
Diluted (in shares)	23,978,474	24,006,821	23,958,058	23,913,226
Dividends declared per share (in dollars per share)	$ 1.75	$ 0.50	$ 3.25	$ 1.50